NCERT Exemplar Class 11 Maths Chapter 3 Trigonometry Functions Example 2

212,507 • May 24 2022
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NCERT Exemplar Class 11 Maths Chapter 3 Trigonometry Functions Example 2 If { \displaystyle A = cos^2 θ + sin^4 θ } for all values of θ, then prove that { \displaystyle \frac{3}{4} \le A \le 1} .